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Thread: Xenon Auto levelling issue (ongoing....)

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    Default Xenon Auto levelling issue (ongoing....)

    Hi all,

    I've had a warning light about my auto levelling system on my vectra GSI since i had new springs fitted (MOT failure). THe new springs were eibachs and lowered the car roughly 40mm. I posted earlier on in the year on this issue and i've just got round to having it tech 2'd .

    Anyway, dealer (evans halshaw kilmarnock) phoned me today and said that it's either the cars too low and its giving an out of range signal in which case i need to switch back to standard springs or its a faulty sensor and i'll need to pay roughly £100 to have a new sensor fitted.

    Does this sound right? I would have thought they'd be able to re-program to the new level but he says that's not possible? I'm sure there are plenty people on here with lowered suspension that haven;t had this problem!!!

    Thanks for any advice

    Roddy

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    Regular Member sophos9's Avatar
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    If it happened directly after the lowering then its pretty conclusive

    The level sensor is fixed between two points on the car - one being the wishbones. As you have lowered the car by 40mm, the xenons now cannot auto range because the actually ride height has now significantly changed.

    Before you pay, get under the car, degrease and re-grease the sensors moving parts, pulls the sensor through its full moving range and see what happens...

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    Oh and cannot reprogramme as the sensor has mechanical limits

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    Thanks for reply. I've taken the rear wheel off and had a look at the sensor itself. One of the bolts at one end of the sensor rod looks slightly bent.

    I think the guy changing the springs has not disconnected the sensor bar and maybe bent it that way. Funny thing, when i jack the car up slightly the warning light disappears and the auto levelling works fine.

    I reckon this means the sensor is OK and would be pointless replacing? I'm going to remove the sensor bar and replace/straighten the bolt to see if that solves it. I wish i'd looked at it sooner but i'd broken the lock nut removal tool and couldn't get the wheel off

    Thanks again

    Roddy

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    Unless things have changed, I thought the xenon sensor is on the front passenger side wishbone and the rear sensor is for self levelling suspension?

    As you jack the car up, the sensor then becomes in range again and works, this is good as it means the sensor is not broken. Yep straighten and see what happens.

    Hope you get it sorted!

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    there is one on the front and one at the rear. Front one has a shorter rod. (i assume its part of the same system??) Front one looks OK. I think when he's removed rear spring, etc, the wishbone has dropped and bent the bolt.

    Hope so anyway!!

    CHeers

    Roddy

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    Cool, that would make sense that the rear and front position is measured. Will be interested in how this is sorted

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    Success!!!!

    Had a closer look at the bracket holding the actual sensor body. It looked like it should have been at right angles to the sub-frame but was actually slightly distorted.

    Bent it back up around 5mm till it looked OK and hey presto auto levelling resumes!!!

    Had a quick drive over some speedbumps and still working OK

    Not sure if i should be or not but i'm really angry at the dealers. They obviously never even removed the wheel to have a look at the sensor. Just plugged it in and "computer says no". £75 for a diagnostic that told me i either needed new springs or a new sensor and a five minute "reform" solves it.

    Anyway, just happy that light is out. Thanks for your help

    Roddy

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    Nice one mate - take it back to Vx and show them how you fixed it.... Then ask for a refund!

    Glad you got it sorted!

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    Got refund so all sorted. Just need to sort out my timing belt change now....

    Cheers

    Roddy

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